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Finding the Fourth Proportional to 7,306.58, 10,958.25 and 4,385.72

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Solution

The fourth proportional to 7,306.58, 10,958.25 and 4,385.72 is: 6,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.58 : 10,958.25 = 4,385.72 : x
  2. Step 2: Convert to fraction form
    7,306.58/10,958.25 = 4,385.72/x
  3. Step 3: Cross multiply
    7,306.58x = 10,958.25 × 4,385.72
  4. Step 4: Simplify right side
    7,306.58x = 48,059,816.19
  5. Step 5: Solve for x
    x = 48,059,816.19/7,306.58
  6. Step 6: Final answer
    x = 6,577.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.